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  • Committer: Teddy Hogeborn
  • Date: 2014-03-28 22:32:21 UTC
  • Revision ID: teddy@recompile.se-20140328223221-w579qlvlex5if3dn
Fix location and format of signing key file.

* debian/upstream/signing-key.asc: Added.
* debian/upstream-signing-key.pgp: Removed.

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Lines of Context:
mandos-monitor
1
 
#!/usr/bin/python3 -bb
 
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
 
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
5
# 
 
6
# Copyright © 2009-2014 Teddy Hogeborn
 
7
# Copyright © 2009-2014 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
 
#
 
18
# 
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
24
23
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
24
# 
26
25
 
27
26
from __future__ import (division, absolute_import, print_function,
28
27
                        unicode_literals)
33
32
 
34
33
import sys
35
34
import os
36
 
import warnings
 
35
 
37
36
import datetime
38
 
import locale
39
 
import logging
40
37
 
41
38
import urwid.curses_display
42
39
import urwid
43
40
 
44
41
from dbus.mainloop.glib import DBusGMainLoop
45
 
from gi.repository import GLib
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
46
46
 
47
47
import dbus
48
48
 
49
 
if sys.version_info.major == 2:
 
49
import locale
 
50
 
 
51
if sys.version_info[0] == 2:
50
52
    str = unicode
51
53
 
52
 
log = logging.getLogger(os.path.basename(sys.argv[0]))
53
 
logging.basicConfig(level="NOTSET", # Show all messages
54
 
                    format="%(message)s") # Show basic log messages
55
 
 
56
 
logging.captureWarnings(True)   # Show warnings via the logging system
57
 
 
58
 
locale.setlocale(locale.LC_ALL, "")
59
 
 
60
 
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
54
locale.setlocale(locale.LC_ALL, '')
 
55
 
 
56
import logging
 
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
61
58
 
62
59
# Some useful constants
63
 
domain = "se.recompile"
64
 
server_interface = domain + ".Mandos"
65
 
client_interface = domain + ".Mandos.Client"
66
 
version = "1.8.9"
67
 
 
68
 
try:
69
 
    dbus.OBJECT_MANAGER_IFACE
70
 
except AttributeError:
71
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
72
 
 
 
60
domain = 'se.recompile'
 
61
server_interface = domain + '.Mandos'
 
62
client_interface = domain + '.Mandos.Client'
 
63
version = "1.6.4"
73
64
 
74
65
def isoformat_to_datetime(iso):
75
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
84
75
                             int(day),
85
76
                             int(hour),
86
77
                             int(minute),
87
 
                             int(second),            # Whole seconds
88
 
                             int(fraction*1000000))  # Microseconds
89
 
 
 
78
                             int(second),           # Whole seconds
 
79
                             int(fraction*1000000)) # Microseconds
90
80
 
91
81
class MandosClientPropertyCache(object):
92
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
94
84
    changed.
95
85
    """
96
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
97
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
87
        self.proxy = proxy_object # Mandos Client proxy object
98
88
        self.properties = dict() if properties is None else properties
99
89
        self.property_changed_match = (
100
 
            self.proxy.connect_to_signal("PropertiesChanged",
101
 
                                         self.properties_changed,
102
 
                                         dbus.PROPERTIES_IFACE,
 
90
            self.proxy.connect_to_signal("PropertyChanged",
 
91
                                         self._property_changed,
 
92
                                         client_interface,
103
93
                                         byte_arrays=True))
104
 
 
 
94
        
105
95
        if properties is None:
106
 
            self.properties.update(self.proxy.GetAll(
107
 
                client_interface,
108
 
                dbus_interface=dbus.PROPERTIES_IFACE))
109
 
 
 
96
            self.properties.update(
 
97
                self.proxy.GetAll(client_interface,
 
98
                                  dbus_interface
 
99
                                  = dbus.PROPERTIES_IFACE))
 
100
        
110
101
        super(MandosClientPropertyCache, self).__init__(**kwargs)
111
 
 
112
 
    def properties_changed(self, interface, properties, invalidated):
113
 
        """This is called whenever we get a PropertiesChanged signal
114
 
        It updates the changed properties in the "properties" dict.
 
102
    
 
103
    def _property_changed(self, property, value):
 
104
        """Helper which takes positional arguments"""
 
105
        return self.property_changed(property=property, value=value)
 
106
    
 
107
    def property_changed(self, property=None, value=None):
 
108
        """This is called whenever we get a PropertyChanged signal
 
109
        It updates the changed property in the "properties" dict.
115
110
        """
116
111
        # Update properties dict with new value
117
 
        if interface == client_interface:
118
 
            self.properties.update(properties)
119
 
 
 
112
        self.properties[property] = value
 
113
    
120
114
    def delete(self):
121
115
        self.property_changed_match.remove()
122
116
 
124
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
125
119
    """A Mandos Client which is visible on the screen.
126
120
    """
127
 
 
 
121
    
128
122
    def __init__(self, server_proxy_object=None, update_hook=None,
129
 
                 delete_hook=None, **kwargs):
 
123
                 delete_hook=None, logger=None, **kwargs):
130
124
        # Called on update
131
125
        self.update_hook = update_hook
132
126
        # Called on delete
133
127
        self.delete_hook = delete_hook
134
128
        # Mandos Server proxy object
135
129
        self.server_proxy_object = server_proxy_object
136
 
 
 
130
        # Logger
 
131
        self.logger = logger
 
132
        
137
133
        self._update_timer_callback_tag = None
138
 
 
 
134
        
139
135
        # The widget shown normally
140
136
        self._text_widget = urwid.Text("")
141
137
        # The widget shown when we have focus
143
139
        super(MandosClientWidget, self).__init__(**kwargs)
144
140
        self.update()
145
141
        self.opened = False
146
 
 
 
142
        
147
143
        self.match_objects = (
148
144
            self.proxy.connect_to_signal("CheckerCompleted",
149
145
                                         self.checker_completed,
165
161
                                         self.rejected,
166
162
                                         client_interface,
167
163
                                         byte_arrays=True))
168
 
        log.debug("Created client %s", self.properties["Name"])
169
 
 
 
164
        #self.logger('Created client {0}'
 
165
        #            .format(self.properties["Name"]))
 
166
    
170
167
    def using_timer(self, flag):
171
168
        """Call this method with True or False when timer should be
172
169
        activated or deactivated.
173
170
        """
174
171
        if flag and self._update_timer_callback_tag is None:
175
172
            # Will update the shown timer value every second
176
 
            self._update_timer_callback_tag = (
177
 
                GLib.timeout_add(1000,
178
 
                                 glib_safely(self.update_timer)))
 
173
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
                                               (1000,
 
175
                                                self.update_timer))
179
176
        elif not (flag or self._update_timer_callback_tag is None):
180
 
            GLib.source_remove(self._update_timer_callback_tag)
 
177
            gobject.source_remove(self._update_timer_callback_tag)
181
178
            self._update_timer_callback_tag = None
182
 
 
 
179
    
183
180
    def checker_completed(self, exitstatus, condition, command):
184
181
        if exitstatus == 0:
185
 
            log.debug('Checker for client %s (command "%s")'
186
 
                      " succeeded", self.properties["Name"], command)
187
182
            self.update()
188
183
            return
189
184
        # Checker failed
190
185
        if os.WIFEXITED(condition):
191
 
            log.info('Checker for client %s (command "%s") failed'
192
 
                     " with exit code %d", self.properties["Name"],
193
 
                     command, os.WEXITSTATUS(condition))
 
186
            self.logger('Checker for client {0} (command "{1}")'
 
187
                        ' failed with exit code {2}'
 
188
                        .format(self.properties["Name"], command,
 
189
                                os.WEXITSTATUS(condition)))
194
190
        elif os.WIFSIGNALED(condition):
195
 
            log.info('Checker for client %s (command "%s") was'
196
 
                     " killed by signal %d", self.properties["Name"],
197
 
                     command, os.WTERMSIG(condition))
 
191
            self.logger('Checker for client {0} (command "{1}") was'
 
192
                        ' killed by signal {2}'
 
193
                        .format(self.properties["Name"], command,
 
194
                                os.WTERMSIG(condition)))
 
195
        elif os.WCOREDUMP(condition):
 
196
            self.logger('Checker for client {0} (command "{1}")'
 
197
                        ' dumped core'
 
198
                        .format(self.properties["Name"], command))
 
199
        else:
 
200
            self.logger('Checker for client {0} completed'
 
201
                        ' mysteriously'
 
202
                        .format(self.properties["Name"]))
198
203
        self.update()
199
 
 
 
204
    
200
205
    def checker_started(self, command):
201
 
        """Server signals that a checker started."""
202
 
        log.debug('Client %s started checker "%s"',
203
 
                  self.properties["Name"], command)
204
 
 
 
206
        """Server signals that a checker started. This could be useful
 
207
           to log in the future. """
 
208
        #self.logger('Client {0} started checker "{1}"'
 
209
        #            .format(self.properties["Name"],
 
210
        #                    str(command)))
 
211
        pass
 
212
    
205
213
    def got_secret(self):
206
 
        log.info("Client %s received its secret",
207
 
                 self.properties["Name"])
208
 
 
 
214
        self.logger('Client {0} received its secret'
 
215
                    .format(self.properties["Name"]))
 
216
    
209
217
    def need_approval(self, timeout, default):
210
218
        if not default:
211
 
            message = "Client %s needs approval within %f seconds"
 
219
            message = 'Client {0} needs approval within {1} seconds'
212
220
        else:
213
 
            message = "Client %s will get its secret in %f seconds"
214
 
        log.info(message, self.properties["Name"], timeout/1000)
215
 
 
 
221
            message = 'Client {0} will get its secret in {1} seconds'
 
222
        self.logger(message.format(self.properties["Name"],
 
223
                                   timeout/1000))
 
224
    
216
225
    def rejected(self, reason):
217
 
        log.info("Client %s was rejected; reason: %s",
218
 
                 self.properties["Name"], reason)
219
 
 
 
226
        self.logger('Client {0} was rejected; reason: {1}'
 
227
                    .format(self.properties["Name"], reason))
 
228
    
220
229
    def selectable(self):
221
230
        """Make this a "selectable" widget.
222
231
        This overrides the method from urwid.FlowWidget."""
223
232
        return True
224
 
 
 
233
    
225
234
    def rows(self, maxcolrow, focus=False):
226
235
        """How many rows this widget will occupy might depend on
227
236
        whether we have focus or not.
228
237
        This overrides the method from urwid.FlowWidget"""
229
238
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
230
 
 
 
239
    
231
240
    def current_widget(self, focus=False):
232
241
        if focus or self.opened:
233
242
            return self._focus_widget
234
243
        return self._widget
235
 
 
 
244
    
236
245
    def update(self):
237
246
        "Called when what is visible on the screen should be updated."
238
247
        # How to add standout mode to a style
239
 
        with_standout = {"normal": "standout",
240
 
                         "bold": "bold-standout",
241
 
                         "underline-blink":
242
 
                         "underline-blink-standout",
243
 
                         "bold-underline-blink":
244
 
                         "bold-underline-blink-standout",
245
 
                         }
246
 
 
 
248
        with_standout = { "normal": "standout",
 
249
                          "bold": "bold-standout",
 
250
                          "underline-blink":
 
251
                              "underline-blink-standout",
 
252
                          "bold-underline-blink":
 
253
                              "bold-underline-blink-standout",
 
254
                          }
 
255
        
247
256
        # Rebuild focus and non-focus widgets using current properties
248
 
 
 
257
        
249
258
        # Base part of a client. Name!
250
 
        base = "{name}: ".format(name=self.properties["Name"])
 
259
        base = '{name}: '.format(name=self.properties["Name"])
251
260
        if not self.properties["Enabled"]:
252
261
            message = "DISABLED"
253
262
            self.using_timer(False)
254
263
        elif self.properties["ApprovalPending"]:
255
 
            timeout = datetime.timedelta(
256
 
                milliseconds=self.properties["ApprovalDelay"])
 
264
            timeout = datetime.timedelta(milliseconds
 
265
                                         = self.properties
 
266
                                         ["ApprovalDelay"])
257
267
            last_approval_request = isoformat_to_datetime(
258
268
                self.properties["LastApprovalRequest"])
259
269
            if last_approval_request is not None:
263
273
            else:
264
274
                timer = datetime.timedelta()
265
275
            if self.properties["ApprovedByDefault"]:
266
 
                message = "Approval in {}. (d)eny?"
 
276
                message = "Approval in {0}. (d)eny?"
267
277
            else:
268
 
                message = "Denial in {}. (a)pprove?"
 
278
                message = "Denial in {0}. (a)pprove?"
269
279
            message = message.format(str(timer).rsplit(".", 1)[0])
270
280
            self.using_timer(True)
271
281
        elif self.properties["LastCheckerStatus"] != 0:
275
285
                timer = datetime.timedelta(0)
276
286
            else:
277
287
                expires = (datetime.datetime.strptime
278
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
288
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
279
289
                timer = max(expires - datetime.datetime.utcnow(),
280
290
                            datetime.timedelta())
281
 
            message = ("A checker has failed! Time until client"
282
 
                       " gets disabled: {}"
 
291
            message = ('A checker has failed! Time until client'
 
292
                       ' gets disabled: {0}'
283
293
                       .format(str(timer).rsplit(".", 1)[0]))
284
294
            self.using_timer(True)
285
295
        else:
286
296
            message = "enabled"
287
297
            self.using_timer(False)
288
 
        self._text = "{}{}".format(base, message)
289
 
 
 
298
        self._text = "{0}{1}".format(base, message)
 
299
        
290
300
        if not urwid.supports_unicode():
291
301
            self._text = self._text.encode("ascii", "replace")
292
302
        textlist = [("normal", self._text)]
302
312
        # Run update hook, if any
303
313
        if self.update_hook is not None:
304
314
            self.update_hook()
305
 
 
 
315
    
306
316
    def update_timer(self):
307
 
        """called by GLib. Will indefinitely loop until
308
 
        GLib.source_remove() on tag is called
309
 
        """
 
317
        """called by gobject. Will indefinitely loop until
 
318
        gobject.source_remove() on tag is called"""
310
319
        self.update()
311
320
        return True             # Keep calling this
312
 
 
 
321
    
313
322
    def delete(self, **kwargs):
314
323
        if self._update_timer_callback_tag is not None:
315
 
            GLib.source_remove(self._update_timer_callback_tag)
 
324
            gobject.source_remove(self._update_timer_callback_tag)
316
325
            self._update_timer_callback_tag = None
317
326
        for match in self.match_objects:
318
327
            match.remove()
320
329
        if self.delete_hook is not None:
321
330
            self.delete_hook(self)
322
331
        return super(MandosClientWidget, self).delete(**kwargs)
323
 
 
 
332
    
324
333
    def render(self, maxcolrow, focus=False):
325
334
        """Render differently if we have focus.
326
335
        This overrides the method from urwid.FlowWidget"""
327
336
        return self.current_widget(focus).render(maxcolrow,
328
337
                                                 focus=focus)
329
 
 
 
338
    
330
339
    def keypress(self, maxcolrow, key):
331
340
        """Handle keys.
332
341
        This overrides the method from urwid.FlowWidget"""
333
342
        if key == "+":
334
 
            self.proxy.Set(client_interface, "Enabled",
335
 
                           dbus.Boolean(True), ignore_reply=True,
336
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
343
            self.proxy.Enable(dbus_interface = client_interface,
 
344
                              ignore_reply=True)
337
345
        elif key == "-":
338
 
            self.proxy.Set(client_interface, "Enabled", False,
339
 
                           ignore_reply=True,
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
346
            self.proxy.Disable(dbus_interface = client_interface,
 
347
                               ignore_reply=True)
341
348
        elif key == "a":
342
349
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
343
 
                               dbus_interface=client_interface,
 
350
                               dbus_interface = client_interface,
344
351
                               ignore_reply=True)
345
352
        elif key == "d":
346
353
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
347
 
                               dbus_interface=client_interface,
 
354
                                  dbus_interface = client_interface,
348
355
                               ignore_reply=True)
349
356
        elif key == "R" or key == "_" or key == "ctrl k":
350
357
            self.server_proxy_object.RemoveClient(self.proxy
351
358
                                                  .object_path,
352
359
                                                  ignore_reply=True)
353
360
        elif key == "s":
354
 
            self.proxy.Set(client_interface, "CheckerRunning",
355
 
                           dbus.Boolean(True), ignore_reply=True,
356
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
361
            self.proxy.StartChecker(dbus_interface = client_interface,
 
362
                                    ignore_reply=True)
357
363
        elif key == "S":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(False), ignore_reply=True,
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
            self.proxy.StopChecker(dbus_interface = client_interface,
 
365
                                   ignore_reply=True)
361
366
        elif key == "C":
362
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
367
            self.proxy.CheckedOK(dbus_interface = client_interface,
363
368
                                 ignore_reply=True)
364
369
        # xxx
365
370
#         elif key == "p" or key == "=":
370
375
#             self.open()
371
376
        else:
372
377
            return key
373
 
 
374
 
    def properties_changed(self, interface, properties, invalidated):
375
 
        """Call self.update() if any properties changed.
 
378
    
 
379
    def property_changed(self, property=None, **kwargs):
 
380
        """Call self.update() if old value is not new value.
376
381
        This overrides the method from MandosClientPropertyCache"""
377
 
        old_values = {key: self.properties.get(key)
378
 
                      for key in properties.keys()}
379
 
        super(MandosClientWidget, self).properties_changed(
380
 
            interface, properties, invalidated)
381
 
        if any(old_values[key] != self.properties.get(key)
382
 
               for key in old_values):
 
382
        property_name = str(property)
 
383
        old_value = self.properties.get(property_name)
 
384
        super(MandosClientWidget, self).property_changed(
 
385
            property=property, **kwargs)
 
386
        if self.properties.get(property_name) != old_value:
383
387
            self.update()
384
388
 
385
389
 
386
 
def glib_safely(func, retval=True):
387
 
    def safe_func(*args, **kwargs):
388
 
        try:
389
 
            return func(*args, **kwargs)
390
 
        except Exception:
391
 
            log.exception("")
392
 
            return retval
393
 
    return safe_func
394
 
 
395
 
 
396
390
class ConstrainedListBox(urwid.ListBox):
397
391
    """Like a normal urwid.ListBox, but will consume all "up" or
398
392
    "down" key presses, thus not allowing any containing widgets to
399
393
    use them as an excuse to shift focus away from this widget.
400
394
    """
401
395
    def keypress(self, *args, **kwargs):
402
 
        ret = (super(ConstrainedListBox, self)
403
 
               .keypress(*args, **kwargs))
 
396
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
404
397
        if ret in ("up", "down"):
405
398
            return
406
399
        return ret
412
405
    """
413
406
    def __init__(self, max_log_length=1000):
414
407
        DBusGMainLoop(set_as_default=True)
415
 
 
 
408
        
416
409
        self.screen = urwid.curses_display.Screen()
417
 
 
 
410
        
418
411
        self.screen.register_palette((
419
412
                ("normal",
420
413
                 "default", "default", None),
425
418
                ("standout",
426
419
                 "standout", "default", "standout"),
427
420
                ("bold-underline-blink",
428
 
                 "bold,underline,blink", "default",
429
 
                 "bold,underline,blink"),
 
421
                 "bold,underline,blink", "default", "bold,underline,blink"),
430
422
                ("bold-standout",
431
423
                 "bold,standout", "default", "bold,standout"),
432
424
                ("underline-blink-standout",
436
428
                 "bold,underline,blink,standout", "default",
437
429
                 "bold,underline,blink,standout"),
438
430
                ))
439
 
 
 
431
        
440
432
        if urwid.supports_unicode():
441
 
            self.divider = "─"  # \u2500
 
433
            self.divider = "─" # \u2500
 
434
            #self.divider = "━" # \u2501
442
435
        else:
443
 
            self.divider = "_"  # \u005f
444
 
 
 
436
            #self.divider = "-" # \u002d
 
437
            self.divider = "_" # \u005f
 
438
        
445
439
        self.screen.start()
446
 
 
 
440
        
447
441
        self.size = self.screen.get_cols_rows()
448
 
 
 
442
        
449
443
        self.clients = urwid.SimpleListWalker([])
450
444
        self.clients_dict = {}
451
 
 
 
445
        
452
446
        # We will add Text widgets to this list
453
 
        self.log = urwid.SimpleListWalker([])
 
447
        self.log = []
454
448
        self.max_log_length = max_log_length
455
 
 
 
449
        
456
450
        # We keep a reference to the log widget so we can remove it
457
451
        # from the ListWalker without it getting destroyed
458
452
        self.logbox = ConstrainedListBox(self.log)
459
 
 
 
453
        
460
454
        # This keeps track of whether self.uilist currently has
461
455
        # self.logbox in it or not
462
456
        self.log_visible = True
463
457
        self.log_wrap = "any"
464
 
 
465
 
        self.loghandler = UILogHandler(self)
466
 
 
 
458
        
467
459
        self.rebuild()
468
 
        self.add_log_line(("bold",
469
 
                           "Mandos Monitor version " + version))
470
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
471
 
 
472
 
        self.busname = domain + ".Mandos"
473
 
        self.main_loop = GLib.MainLoop()
474
 
 
475
 
    def client_not_found(self, key_id, address):
476
 
        log.info("Client with address %s and key ID %s could"
477
 
                 " not be found", address, key_id)
478
 
 
 
460
        self.log_message_raw(("bold",
 
461
                              "Mandos Monitor version " + version))
 
462
        self.log_message_raw(("bold",
 
463
                              "q: Quit  ?: Help"))
 
464
        
 
465
        self.busname = domain + '.Mandos'
 
466
        self.main_loop = gobject.MainLoop()
 
467
    
 
468
    def client_not_found(self, fingerprint, address):
 
469
        self.log_message("Client with address {0} and fingerprint"
 
470
                         " {1} could not be found"
 
471
                         .format(address, fingerprint))
 
472
    
479
473
    def rebuild(self):
480
474
        """This rebuilds the User Interface.
481
475
        Call this when the widget layout needs to change"""
482
476
        self.uilist = []
483
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
477
        #self.uilist.append(urwid.ListBox(self.clients))
484
478
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
485
479
                                                          clients),
486
 
                                       # header=urwid.Divider(),
 
480
                                       #header=urwid.Divider(),
487
481
                                       header=None,
488
 
                                       footer=urwid.Divider(
489
 
                                           div_char=self.divider)))
 
482
                                       footer=
 
483
                                       urwid.Divider(div_char=
 
484
                                                     self.divider)))
490
485
        if self.log_visible:
491
486
            self.uilist.append(self.logbox)
492
487
        self.topwidget = urwid.Pile(self.uilist)
493
 
 
494
 
    def add_log_line(self, markup):
 
488
    
 
489
    def log_message(self, message):
 
490
        """Log message formatted with timestamp"""
 
491
        timestamp = datetime.datetime.now().isoformat()
 
492
        self.log_message_raw(timestamp + ": " + message)
 
493
    
 
494
    def log_message_raw(self, markup):
 
495
        """Add a log message to the log buffer."""
495
496
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
496
 
        if self.max_log_length:
497
 
            if len(self.log) > self.max_log_length:
498
 
                del self.log[0:(len(self.log) - self.max_log_length)]
499
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
497
        if (self.max_log_length
 
498
            and len(self.log) > self.max_log_length):
 
499
            del self.log[0:len(self.log)-self.max_log_length-1]
 
500
        self.logbox.set_focus(len(self.logbox.body.contents),
500
501
                              coming_from="above")
501
502
        self.refresh()
502
 
 
 
503
    
503
504
    def toggle_log_display(self):
504
505
        """Toggle visibility of the log buffer."""
505
506
        self.log_visible = not self.log_visible
506
507
        self.rebuild()
507
 
        log.debug("Log visibility changed to: %s", self.log_visible)
508
 
 
 
508
        #self.log_message("Log visibility changed to: "
 
509
        #                 + str(self.log_visible))
 
510
    
509
511
    def change_log_display(self):
510
512
        """Change type of log display.
511
513
        Currently, this toggles wrapping of text lines."""
515
517
            self.log_wrap = "clip"
516
518
        for textwidget in self.log:
517
519
            textwidget.set_wrap_mode(self.log_wrap)
518
 
        log.debug("Wrap mode: %s", self.log_wrap)
519
 
 
520
 
    def find_and_remove_client(self, path, interfaces):
 
520
        #self.log_message("Wrap mode: " + self.log_wrap)
 
521
    
 
522
    def find_and_remove_client(self, path, name):
521
523
        """Find a client by its object path and remove it.
522
 
 
523
 
        This is connected to the InterfacesRemoved signal from the
 
524
        
 
525
        This is connected to the ClientRemoved signal from the
524
526
        Mandos server object."""
525
 
        if client_interface not in interfaces:
526
 
            # Not a Mandos client object; ignore
527
 
            return
528
527
        try:
529
528
            client = self.clients_dict[path]
530
529
        except KeyError:
531
530
            # not found?
532
 
            log.warning("Unknown client %s removed", path)
 
531
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
532
                             .format(name, path))
533
533
            return
534
534
        client.delete()
535
 
 
536
 
    def add_new_client(self, path, ifs_and_props):
537
 
        """Find a client by its object path and remove it.
538
 
 
539
 
        This is connected to the InterfacesAdded signal from the
540
 
        Mandos server object.
541
 
        """
542
 
        if client_interface not in ifs_and_props:
543
 
            # Not a Mandos client object; ignore
544
 
            return
 
535
    
 
536
    def add_new_client(self, path):
545
537
        client_proxy_object = self.bus.get_object(self.busname, path)
546
 
        self.add_client(MandosClientWidget(
547
 
            server_proxy_object=self.mandos_serv,
548
 
            proxy_object=client_proxy_object,
549
 
            update_hook=self.refresh,
550
 
            delete_hook=self.remove_client,
551
 
            properties=dict(ifs_and_props[client_interface])),
 
538
        self.add_client(MandosClientWidget(server_proxy_object
 
539
                                           =self.mandos_serv,
 
540
                                           proxy_object
 
541
                                           =client_proxy_object,
 
542
                                           update_hook
 
543
                                           =self.refresh,
 
544
                                           delete_hook
 
545
                                           =self.remove_client,
 
546
                                           logger
 
547
                                           =self.log_message),
552
548
                        path=path)
553
 
 
 
549
    
554
550
    def add_client(self, client, path=None):
555
551
        self.clients.append(client)
556
552
        if path is None:
558
554
        self.clients_dict[path] = client
559
555
        self.clients.sort(key=lambda c: c.properties["Name"])
560
556
        self.refresh()
561
 
 
 
557
    
562
558
    def remove_client(self, client, path=None):
563
559
        self.clients.remove(client)
564
560
        if path is None:
565
561
            path = client.proxy.object_path
566
562
        del self.clients_dict[path]
567
563
        self.refresh()
568
 
 
 
564
    
569
565
    def refresh(self):
570
566
        """Redraw the screen"""
571
567
        canvas = self.topwidget.render(self.size, focus=True)
572
568
        self.screen.draw_screen(self.size, canvas)
573
 
 
 
569
    
574
570
    def run(self):
575
571
        """Start the main loop and exit when it's done."""
576
 
        log.addHandler(self.loghandler)
577
 
        self.orig_log_propagate = log.propagate
578
 
        log.propagate = False
579
 
        self.orig_log_level = log.level
580
 
        log.setLevel("INFO")
581
572
        self.bus = dbus.SystemBus()
582
573
        mandos_dbus_objc = self.bus.get_object(
583
574
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(
585
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
575
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
576
                                          dbus_interface
 
577
                                          = server_interface)
586
578
        try:
587
579
            mandos_clients = (self.mandos_serv
588
580
                              .GetAllClientsWithProperties())
589
581
            if not mandos_clients:
590
 
                log.warning("Note: Server has no clients.")
 
582
                self.log_message_raw(("bold", "Note: Server has no clients."))
591
583
        except dbus.exceptions.DBusException:
592
 
            log.warning("Note: No Mandos server running.")
 
584
            self.log_message_raw(("bold", "Note: No Mandos server running."))
593
585
            mandos_clients = dbus.Dictionary()
594
 
 
 
586
        
595
587
        (self.mandos_serv
596
 
         .connect_to_signal("InterfacesRemoved",
 
588
         .connect_to_signal("ClientRemoved",
597
589
                            self.find_and_remove_client,
598
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
590
                            dbus_interface=server_interface,
599
591
                            byte_arrays=True))
600
592
        (self.mandos_serv
601
 
         .connect_to_signal("InterfacesAdded",
 
593
         .connect_to_signal("ClientAdded",
602
594
                            self.add_new_client,
603
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
595
                            dbus_interface=server_interface,
604
596
                            byte_arrays=True))
605
597
        (self.mandos_serv
606
598
         .connect_to_signal("ClientNotFound",
610
602
        for path, client in mandos_clients.items():
611
603
            client_proxy_object = self.bus.get_object(self.busname,
612
604
                                                      path)
613
 
            self.add_client(MandosClientWidget(
614
 
                server_proxy_object=self.mandos_serv,
615
 
                proxy_object=client_proxy_object,
616
 
                properties=client,
617
 
                update_hook=self.refresh,
618
 
                delete_hook=self.remove_client),
 
605
            self.add_client(MandosClientWidget(server_proxy_object
 
606
                                               =self.mandos_serv,
 
607
                                               proxy_object
 
608
                                               =client_proxy_object,
 
609
                                               properties=client,
 
610
                                               update_hook
 
611
                                               =self.refresh,
 
612
                                               delete_hook
 
613
                                               =self.remove_client,
 
614
                                               logger
 
615
                                               =self.log_message),
619
616
                            path=path)
620
 
 
 
617
        
621
618
        self.refresh()
622
 
        self._input_callback_tag = (
623
 
            GLib.io_add_watch(
624
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
625
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
626
 
                glib_safely(self.process_input)))
 
619
        self._input_callback_tag = (gobject.io_add_watch
 
620
                                    (sys.stdin.fileno(),
 
621
                                     gobject.IO_IN,
 
622
                                     self.process_input))
627
623
        self.main_loop.run()
628
624
        # Main loop has finished, we should close everything now
629
 
        GLib.source_remove(self._input_callback_tag)
630
 
        with warnings.catch_warnings():
631
 
            warnings.simplefilter("ignore", BytesWarning)
632
 
            self.screen.stop()
633
 
 
 
625
        gobject.source_remove(self._input_callback_tag)
 
626
        self.screen.stop()
 
627
    
634
628
    def stop(self):
635
629
        self.main_loop.quit()
636
 
        log.removeHandler(self.loghandler)
637
 
        log.propagate = self.orig_log_propagate
638
 
 
 
630
    
639
631
    def process_input(self, source, condition):
640
632
        keys = self.screen.get_input()
641
 
        translations = {"ctrl n": "down",       # Emacs
642
 
                        "ctrl p": "up",         # Emacs
643
 
                        "ctrl v": "page down",  # Emacs
644
 
                        "meta v": "page up",    # Emacs
645
 
                        " ": "page down",       # less
646
 
                        "f": "page down",       # less
647
 
                        "b": "page up",         # less
648
 
                        "j": "down",            # vi
649
 
                        "k": "up",              # vi
650
 
                        }
 
633
        translations = { "ctrl n": "down",      # Emacs
 
634
                         "ctrl p": "up",        # Emacs
 
635
                         "ctrl v": "page down", # Emacs
 
636
                         "meta v": "page up",   # Emacs
 
637
                         " ": "page down",      # less
 
638
                         "f": "page down",      # less
 
639
                         "b": "page up",        # less
 
640
                         "j": "down",           # vi
 
641
                         "k": "up",             # vi
 
642
                         }
651
643
        for key in keys:
652
644
            try:
653
645
                key = translations[key]
654
646
            except KeyError:    # :-)
655
647
                pass
656
 
 
 
648
            
657
649
            if key == "q" or key == "Q":
658
650
                self.stop()
659
651
                break
660
652
            elif key == "window resize":
661
653
                self.size = self.screen.get_cols_rows()
662
654
                self.refresh()
663
 
            elif key == "ctrl l":
664
 
                self.screen.clear()
 
655
            elif key == "\f":  # Ctrl-L
665
656
                self.refresh()
666
657
            elif key == "l" or key == "D":
667
658
                self.toggle_log_display()
673
664
                if not self.log_visible:
674
665
                    self.log_visible = True
675
666
                    self.rebuild()
676
 
                self.add_log_line(("bold",
677
 
                                   "  ".join(("q: Quit",
678
 
                                              "?: Help",
679
 
                                              "l: Log window toggle",
680
 
                                              "TAB: Switch window",
681
 
                                              "w: Wrap (log lines)",
682
 
                                              "v: Toggle verbose log",
683
 
                                   ))))
684
 
                self.add_log_line(("bold",
685
 
                                   "  ".join(("Clients:",
686
 
                                              "+: Enable",
687
 
                                              "-: Disable",
688
 
                                              "R: Remove",
689
 
                                              "s: Start new checker",
690
 
                                              "S: Stop checker",
691
 
                                              "C: Checker OK",
692
 
                                              "a: Approve",
693
 
                                              "d: Deny",
694
 
                                   ))))
 
667
                self.log_message_raw(("bold",
 
668
                                      "  ".
 
669
                                      join(("q: Quit",
 
670
                                            "?: Help",
 
671
                                            "l: Log window toggle",
 
672
                                            "TAB: Switch window",
 
673
                                            "w: Wrap (log)"))))
 
674
                self.log_message_raw(("bold",
 
675
                                      "  "
 
676
                                      .join(("Clients:",
 
677
                                             "+: Enable",
 
678
                                             "-: Disable",
 
679
                                             "R: Remove",
 
680
                                             "s: Start new checker",
 
681
                                             "S: Stop checker",
 
682
                                             "C: Checker OK",
 
683
                                             "a: Approve",
 
684
                                             "d: Deny"))))
695
685
                self.refresh()
696
686
            elif key == "tab":
697
687
                if self.topwidget.get_focus() is self.logbox:
699
689
                else:
700
690
                    self.topwidget.set_focus(self.logbox)
701
691
                self.refresh()
702
 
            elif key == "v":
703
 
                if log.level < logging.INFO:
704
 
                    log.setLevel(logging.INFO)
705
 
                    log.info("Verbose mode: Off")
706
 
                else:
707
 
                    log.setLevel(logging.NOTSET)
708
 
                    log.info("Verbose mode: On")
709
 
            # elif (key == "end" or key == "meta >" or key == "G"
710
 
            #       or key == ">"):
711
 
            #     pass            # xxx end-of-buffer
712
 
            # elif (key == "home" or key == "meta <" or key == "g"
713
 
            #       or key == "<"):
714
 
            #     pass            # xxx beginning-of-buffer
715
 
            # elif key == "ctrl e" or key == "$":
716
 
            #     pass            # xxx move-end-of-line
717
 
            # elif key == "ctrl a" or key == "^":
718
 
            #     pass            # xxx move-beginning-of-line
719
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
720
 
            #     pass            # xxx left
721
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
722
 
            #     pass            # xxx right
723
 
            # elif key == "a":
724
 
            #     pass            # scroll up log
725
 
            # elif key == "z":
726
 
            #     pass            # scroll down log
 
692
            #elif (key == "end" or key == "meta >" or key == "G"
 
693
            #      or key == ">"):
 
694
            #    pass            # xxx end-of-buffer
 
695
            #elif (key == "home" or key == "meta <" or key == "g"
 
696
            #      or key == "<"):
 
697
            #    pass            # xxx beginning-of-buffer
 
698
            #elif key == "ctrl e" or key == "$":
 
699
            #    pass            # xxx move-end-of-line
 
700
            #elif key == "ctrl a" or key == "^":
 
701
            #    pass            # xxx move-beginning-of-line
 
702
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
703
            #    pass            # xxx left
 
704
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
705
            #    pass            # xxx right
 
706
            #elif key == "a":
 
707
            #    pass            # scroll up log
 
708
            #elif key == "z":
 
709
            #    pass            # scroll down log
727
710
            elif self.topwidget.selectable():
728
711
                self.topwidget.keypress(self.size, key)
729
712
                self.refresh()
730
713
        return True
731
714
 
732
 
 
733
 
class UILogHandler(logging.Handler):
734
 
    def __init__(self, ui, *args, **kwargs):
735
 
        self.ui = ui
736
 
        super(UILogHandler, self).__init__(*args, **kwargs)
737
 
        self.setFormatter(
738
 
            logging.Formatter("%(asctime)s: %(message)s"))
739
 
    def emit(self, record):
740
 
        msg = self.format(record)
741
 
        if record.levelno > logging.INFO:
742
 
            msg = ("bold", msg)
743
 
        self.ui.add_log_line(msg)
744
 
 
745
 
 
746
715
ui = UserInterface()
747
716
try:
748
717
    ui.run()
749
718
except KeyboardInterrupt:
750
 
    with warnings.catch_warnings():
751
 
        warnings.filterwarnings("ignore", "", BytesWarning)
752
 
        ui.screen.stop()
753
 
except Exception:
754
 
    with warnings.catch_warnings():
755
 
        warnings.filterwarnings("ignore", "", BytesWarning)
756
 
        ui.screen.stop()
 
719
    ui.screen.stop()
 
720
except Exception as e:
 
721
    ui.log_message(str(e))
 
722
    ui.screen.stop()
757
723
    raise